| 1 | GWI | Germanwings GmbH | IATA: 4U, Callsign: German Wings, Ceased operations on 07 April 2020. Name changed from Eurowings Flug GmbH. ICAO designator changed from EWF. ICAO callsign changed from Shark | D | AVCODES |
| 2 | GWI | Germanwings | IATA: 4U | | ICAO1 |
| 3 | GWI | GENESEE & WYOMING INDUSTRIES | | | PWRC |
| 4 | GWI | Germanwings | | D | TRAFFIC |
| 5 | GWIC | GREAT WESTERN INTERNATIONAL TRUCKIN | | | SCAC4 |
| 6 | GWIE | GEORGEOS WATER ICE INC | | | SCAC4 |
| 7 | GWIJ | G & W INC | | | SCAC4 |
| 8 | GWIN | Goodwin R.R., Inc. | 1/1980 | | NAKINA |
| 9 | GWIN | Goodwin R.R., Inc. | Jan-80 | | NRHS |
| 10 | GWIN | GOODWIN RAILROAD, INC. | | | PWRC |
| 11 | GWIU | GLORY WELL INDUSTRIES LIMITED | | HK | BIC |
| 12 | GWIX | GWI Leasing Corp. | added 1/1979; 1/1980-7/2005 | | NAKINA |
| 13 | GWIX | GWI Leasing Corp. | added 1/79; 1/80-7/2000 | | NRHS |
| 14 | GWIX | GWI LEASING CORP. | | | PWRC |
| 15 | GWIX | GWI Leasing Corporation | | | RSRV |
| 16 | GWIX | GWI LEASING CORP. | | | SCAC4 |
| 17 | GWIX | GWI Leasing Corporation | | USA | TRAFFIC |
